Differential D11791 Diff 40163 source/blender/blenkernel/intern/cloth.c

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source/blender/blenkernel/intern/cloth.c

Show First 20 Lines • Show All 256 Lines • ▼ Show 20 Lines	static bool do_init_cloth(Object ob, ClothModifierData clmd, Mesh *result, int framenr)
}		}

return true;		return true;
}		}

static int do_step_cloth(		static int do_step_cloth(
Depsgraph depsgraph, Object ob, ClothModifierData clmd, Mesh result, int framenr)		Depsgraph depsgraph, Object ob, ClothModifierData clmd, Mesh result, int framenr)
{		{
		/* simulate 1 frame forward */
ClothVertex *verts = NULL;		ClothVertex *verts = NULL;
Cloth *cloth;		Cloth *cloth;
ListBase *effectors = NULL;		ListBase *effectors = NULL;
MVert *mvert;		MVert *mvert;
unsigned int i = 0;		unsigned int i = 0;
int ret = 0;		int ret = 0;
		bool vert_mass_changed = false;

/* simulate 1 frame forward */
cloth = clmd->clothObject;		cloth = clmd->clothObject;
verts = cloth->verts;		verts = cloth->verts;
mvert = result->mvert;		mvert = result->mvert;
		vert_mass_changed = verts->mass != clmd->sim_parms->mass;

/* force any pinned verts to their constrained location. */		/* force any pinned verts to their constrained location. */
for (i = 0; i < clmd->clothObject->mvert_num; i++, verts++) {		for (i = 0; i < clmd->clothObject->mvert_num; i++, verts++) {
/* save the previous position. */		/* save the previous position. */
copy_v3_v3(verts->xold, verts->xconst);		copy_v3_v3(verts->xold, verts->xconst);
copy_v3_v3(verts->txold, verts->x);		copy_v3_v3(verts->txold, verts->x);

/* Get the current position. */		/* Get the current position. */
copy_v3_v3(verts->xconst, mvert[i].co);		copy_v3_v3(verts->xconst, mvert[i].co);
mul_m4_v3(ob->obmat, verts->xconst);		mul_m4_v3(ob->obmat, verts->xconst);

		if (vert_mass_changed) {
		verts->mass = clmd->sim_parms->mass;
		SIM_mass_spring_set_implicit_vertex_mass(cloth->implicit, i, verts->mass);
		}
}		}

effectors = BKE_effectors_create(depsgraph, ob, NULL, clmd->sim_parms->effector_weights, false);		effectors = BKE_effectors_create(depsgraph, ob, NULL, clmd->sim_parms->effector_weights, false);

if (clmd->sim_parms->flags & CLOTH_SIMSETTINGS_FLAG_DYNAMIC_BASEMESH) {		if (clmd->sim_parms->flags & CLOTH_SIMSETTINGS_FLAG_DYNAMIC_BASEMESH) {
cloth_update_verts(ob, clmd, result);		cloth_update_verts(ob, clmd, result);
}		}

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